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Allen Bradley 1771-IT Fast Response DC Input Module
- Product Details
- FAQs
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- Packing & Delivery
- Product Ratings
Product Introduction
The Allen-Bradley 1771-IT Fast Response DC Input Module is a high-speed digital input module designed for PLC-5 automation systems in the 1771 I/O platform from Allen-Bradley. The module is engineered to detect fast-changing DC signals from industrial field devices and transmit the signal status to the PLC processor with minimal delay.
With 8 input points and support for 12/24 VDC signals, the module is suitable for applications where quick signal detection is essential. Its fast response capability allows controllers to react rapidly to changes from sensors, switches, and other discrete input devices used in automation systems.
The 1771-IT installs in a standard 1771 I/O chassis and communicates through the PLC-5 backplane. Its compact design and reliable operation make it well suited for machine automation, high-speed production lines, and control systems that require rapid signal processing and dependable monitoring.
Product Specifications
| Parameter | Description |
|---|---|
| Product Name | Allen-Bradley 1771-IT Fast Response DC Input Module |
| Manufacturer | Allen-Bradley |
| Series | 1771 PLC-5 I/O System |
| Module Type | Fast response DC input module |
| Input Channels | 8 points |
| Nominal Input Voltage | 12/24 VDC |
| Input Voltage Range | 5–125 VDC |
| Installation Location | 1771 I/O chassis |
| Dimensions | 165 × 51 × 89 mm |
| Weight | 0.39 kg |
Applications
● High-Speed Automation Systems
Detects rapid signal changes from sensors used in fast manufacturing equipment.
● Industrial PLC-5 Control Systems
Monitors DC input signals and sends real-time data to the PLC controller.
● Machine Control Panels
Used in equipment where quick response to input conditions is necessary.
● Production Line Monitoring
Tracks signals from switches and detectors to maintain efficient production flow.
● Automated Equipment Protection
Allows control systems to react quickly to abnormal conditions or emergency signals.
Advantages
● Fast Response Performance
Designed to capture rapid signal changes, improving control accuracy in high-speed systems.
● Wide Input Voltage Range
Supports signals from 5–125 VDC, allowing flexible integration with various field devices.
● Compact 8-Channel Design
Provides efficient monitoring of multiple input devices within a single module.
● Reliable PLC Integration
Communicates directly with PLC-5 controllers through the 1771 system backplane.
● Stable Industrial Operation
Maintains dependable signal detection in demanding industrial environments.
● Flexible Automation Integration
Compatible with other modules within the 1771 PLC-5 I/O platform.
FAQ
-
What is the primary function of the 1771-IT module?
It detects fast-changing DC input signals and sends the signal status to the PLC controller. -
How many input channels does the module provide?
The module includes eight digital input points for monitoring multiple devices. -
What voltage levels can the module accept?
It supports nominal 12/24 VDC signals and a broader input range from 5 to 125 VDC. -
Why is fast response important in input modules?
Fast response ensures that quick signal changes are captured accurately, which is essential for high-speed automation. -
Where is the module installed in a PLC system?
It is installed in a slot of the 1771 I/O chassis used with PLC-5 systems. -
What types of field devices can connect to this module?
Devices such as proximity sensors, limit switches, and other DC signal devices can be connected. -
How does the module communicate with the controller?
It transmits signal data through the 1771 system backplane to the PLC processor. -
Is the module compatible with other 1771 I/O modules?
Yes, it integrates with other modules within the 1771 PLC-5 I/O system. -
What industries commonly use this module?
Manufacturing automation, machinery control, and high-speed production systems frequently use it. -
What is the benefit of using a fast response input module?
It improves system reaction time and helps maintain precise control of automated processes.
Related Models
| Model | Description |
|---|---|
| 1771-IBD | Digital DC input module |
| 1771-IBN | High-true DC input module |
| 1771-IAD | AC/DC input module |
| 1771-IFE | Analog input module |
| 1771-ALX | Local I/O adapter module |
| 1771-A3B1 | 12-slot I/O chassis |
Popular Models
| Model | Description |
|---|---|
| 1756-L73 | ControlLogix programmable automation controller |
| 1769-L33ER | CompactLogix controller |
| 1756-IF8 | ControlLogix analog input module |
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| 1769-IF8 | Compact I/O analog input module |
| 1769-OW16 | Compact I/O relay output module |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
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